MOVEMENT:
the Swiss precision of the Ronda 712.3 quartz movement, lubricated with oil bath.

FUNCTIONS:
hours, minutes.

CASE: stainless steel AISI 316L with subsequent treatment IP Bronze, completely filled with a special oil that emphasizes the dial, creating the illusion of the absence of glass, and an optical effect of a more intense black and higher legibility. Visible air bubble on the dial to compensate the temperature variations. Distinguishing crown on left side. Diameter 44 mm.

BACK:
screwed in.

DIAL:
black, numbers and indexes in beige colour, hands treated with beige superluminova.

CRYSTAL:
curved mineral glass.

WATER RESISTANCE:
50 mt, 5 ATM

STRAP:
laser cut strap handmade from hand-finished calf leather and processed according to traditional artisan techniques
to give the strap a naturally distressed look and feel, brown color. Steel tongue buckle with subsequent treatment IP Bronze. Width 22/20 mm.
Strap: ref. 8537/Z Buckle: ref. 8538

Take care of your watch.
Working between 0°/+60°C when not worn.
Do not leave the watch in the sun or near a heat source for too long.

MOVEMENT:
automatic mechanical personalized to U-BOAT specifications for date display and stem to be positioned at 9 o’clock.
Frequency: 28,800 vibrations per hour, 4 Hz. Power reserve: 42 hours. 21 jewels.

FUNCTIONS:
hours, minutes, seconds, 24h, third time zone, date.

CASE:
50 mm titanium case. Uni-directional rotating bezel, in titanium, lockable with a lever on the right side of the case.
12 o’clock ball indicator on the bezel made of ceramic.

BACK:
titanium, fastened with six steel screws.

CRYSTAL:
optic sapphire glass with blue anti reflective treatment.

DIAL:
matt black, markers treated with superluminova (beige color). Bâton hands, treated with superluminova.
Red 24h and third time zone hands.

WATER RESISTANCE:
300 mt, 30 ATM.

STRAP:
hand made and hand finished calf leather, carefully selected and processed following the traditional artisan handcrafted techniques
used in the 1800’s, which give the strap a naturally distressed feel and look.
Tongue buckle in titanium. Width: 23/23 mm.